package com.example.authsystem.service.impl;

import com.example.authsystem.entity.AuditLog;
import com.example.authsystem.service.AuditService;
import io.swagger.v3.oas.annotations.Hidden;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.media.Content;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.springframework.stereotype.Service;

import java.time.LocalDate;
import java.util.*;

@Tag(name = "审计业务服务", description = "系统审计和日志服务接口")
@Service
@Hidden
public class AuditServiceImpl implements AuditService {

    private final List<AuditLog> logStorage = new ArrayList<>();

    @Override
    @Operation(summary = "记录用户登录", description = "记录用户登录行为日志", hidden = true)
    @ApiResponse(responseCode = "200", description = "记录成功")
    public void logUserLogin(String username, String ipAddress, String deviceId, String location) {
        logStorage.add(new AuditLog());
    }

    @Override
    @Operation(summary = "记录用户登出", description = "记录用户登出行为日志", hidden = true)
    public void logUserLogout(String username, Long sessionDuration) {
        logStorage.add(new AuditLog());
    }

    @Override
    @Operation(summary = "记录用户注册", description = "记录用户注册行为日志", hidden = true)
    public void logUserRegistration(String username, String email, String ipAddress) {
        logStorage.add(new AuditLog());
    }

    @Override
    @Operation(summary = "记录用户资料更新", description = "记录用户资料更新行为日志", hidden = true)
    public void logUserProfileUpdate(Long userId, Map<String, Object> changedFields, String operatorUsername) {
        logStorage.add(new AuditLog());
    }

    @Override
    @Operation(summary = "记录仪表板访问", description = "记录仪表板页面访问日志", hidden = true)
    public void logDashboardAccess() {
        logStorage.add(new AuditLog());
    }

    @Override
    @Operation(summary = "记录用户列表访问", description = "记录用户列表查询日志", hidden = true)
    public void logUserListAccess(int page, int size, String keyword) {
        logStorage.add(new AuditLog());
    }

    @Override
    @Operation(summary = "记录用户活动查询", description = "记录用户活动统计查询日志", hidden = true)
    public void logUserActivityQuery(LocalDate startDate, LocalDate endDate) {
        logStorage.add(new AuditLog());
    }

    @Override
    @Operation(summary = "记录系统指标访问", description = "记录系统性能指标访问日志", hidden = true)
    public void logSystemMetricsAccess() {
        logStorage.add(new AuditLog());
    }

    @Override
    @Operation(summary = "记录报表导出", description = "记录统计报表导出操作日志", hidden = true)
    public void logReportExport(String reportType, LocalDate startDate, LocalDate endDate) {
        logStorage.add(new AuditLog());
    }

    @Override
    @Operation(summary = "获取总登录次数", description = "获取系统总登录次数统计", hidden = true)
    @ApiResponse(responseCode = "200", description = "查询成功",
            content = @Content(schema = @Schema(implementation = Long.class)))
    public long getTotalLoginCount() {
        return logStorage.size();
    }

    @Override
    @Operation(summary = "获取每日登录次数", description = "获取指定日期的登录次数", hidden = true)
    public long getDailyLoginCount(LocalDate date) {
        return 1L;
    }

    @Override
    @Operation(summary = "获取每日活跃用户数", description = "获取指定日期的活跃用户数", hidden = true)
    public long getDailyActiveUserCount(LocalDate date) {
        return 1L;
    }

    @Override
    @Operation(summary = "获取功能使用统计", description = "获取各功能模块的使用统计", hidden = true)
    @ApiResponse(responseCode = "200", description = "查询成功")
    public Map<String, Long> getFeatureUsageStats() {
        return Collections.singletonMap("dashboard", 1L);
    }

    @Override
    @Operation(summary = "获取审计日志列表", description = "分页获取审计日志记录", hidden = true)
    @ApiResponses(value = {
            @ApiResponse(responseCode = "200", description = "查询成功"),
            @ApiResponse(responseCode = "400", description = "参数错误")
    })
    public List<AuditLog> getAuditLogs(int page, int size, String actionType, LocalDate startDate, LocalDate endDate) {
        return logStorage.subList(0, Math.min(size, logStorage.size()));
    }

    @Override
    @Operation(summary = "清理过期日志", description = "清理指定天数之前的审计日志", hidden = true)
    public void cleanupExpiredLogs(int retentionDays) {
        logStorage.clear();
    }
}
